131686620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{857}}^1$

素因数の和:1079

約数の個数: 96

約数和(自身を含む): 399567168

約数和(自身を除く): 267880548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 197, 260, 390, 394, 591, 780, 788, 857, 985, 1182, 1714, 1970, 2364, 2561, 2571, 2955, 3428, 3940, 4285, 5122, 5142, 5910, 7683, 8570, 10244, 10284, 11141, 11820, 12805, 12855, 15366, 17140, 22282, 25610, 25710, 30732, 33423, 38415, 44564, 51220, 51420, 55705, 66846, 76830, 111410, 133692, 153660, 167115, 168829, 222820, 334230, 337658, 506487, 668460, 675316, 844145, 1012974, 1688290, 2025948, 2194777, 2532435, 3376580, 4389554, 5064870, 6584331, 8779108, 10129740, 10973885, 13168662, 21947770, 26337324, 32921655, 43895540, 65843310, 131686620]

約数ペア:

[(1, 131686620), (2, 65843310), (3, 43895540), (4, 32921655), (5, 26337324), (6, 21947770), (10, 13168662), (12, 10973885), (13, 10129740), (15, 8779108), (20, 6584331), (26, 5064870), (30, 4389554), (39, 3376580), (52, 2532435), (60, 2194777), (65, 2025948), (78, 1688290), (130, 1012974), (156, 844145), (195, 675316), (197, 668460), (260, 506487), (390, 337658), (394, 334230), (591, 222820), (780, 168829), (788, 167115), (857, 153660), (985, 133692), (1182, 111410), (1714, 76830), (1970, 66846), (2364, 55705), (2561, 51420), (2571, 51220), (2955, 44564), (3428, 38415), (3940, 33423), (4285, 30732), (5122, 25710), (5142, 25610), (5910, 22282), (7683, 17140), (8570, 15366), (10244, 12855), (10284, 12805), (11141, 11820)]